discussion of aggregate crushing value test

discussion of aggregate crushing value test

Aggregate Crushing Value Test – Determine Aggregate ...

Aggregate crushing value is defined as the percentage by weight of the crushed (or finer) material obtained when the test aggregates are subjected to a specified load under standardized conditions, and the strength of the aggregate used in road construction is expressed by numerical index .

Aggregate Crushing Value Test - Civiconcepts

Sampling for Aggregate Crushing Value Test: For the Aggregate crushing value test, an aggregate sample passing through 12.5 mm IS sieve and retained on 10mm IS sieve is selected and dried to a temperature of 105 ºC to 110 ºC then cooled to room temperature. To fill the cylindrical measure mould about 6.5 kg of a sample of aggregate is sufficient.

AGGREGATE CRUSHING VALUE (IS:2386-Part 4-1963) - CivilBlog.Org

With aggregate of aggregate crushing value 30 or higher, the result may be anomalous, and in such cases the ten percent fines value should be determined instead.

Aggregate Crushing Value Test -Determine Aggregate ...

Determine the aggregate crushing value of coarse aggregate; Assess suitability of coarse aggregates for use in different types of road; Apparatus

What is the significance of ten percent fines value in ...

The test aims at looking for the forces required to produce 10% of fine values (i.e. weight of fines aggregates/weight of all aggregates = 10%). This test is very similar to Aggregate Crushing Test in which a standard force 400kN is applied and fines material expressed as a percentage of the original mass is the aggregate crushing value.

Concrete Batching Plant |discussion for aggregate crushing ...

discussion for aggregate crushing value. Concrete batching plants which produced by Fabo provide stationary and mobile concrete batching plants with 30m³/h, 60m³/h, 100m³/h, 130m³/ h, 160m³/h, 200m³/h capacity. Manufacture and installation are made by experienced and qualified of Fabo. The highest quality cement equipment, load cells, electrical supplies, tape, motor and reducer and used ...

Aggregate Crushing Value test – we civil engineers

Jan 23, 2018· The aggregate crushing value for cement concrete pavement shall not exceed 30%. The aggregate crushing value for wearing surfaces shall not exceed 45%. PURPOSE OF TEST: The strength of coarse aggregate is assessed by aggregate crushing test, the aggregate value provide the relative measure of resistance to crushing under gradually applied ...

DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE.

Dec 15, 2017· Aggregate Impact Values and Aggregate Crushing Values are often numerically very similar, and indicate similar aggregate strength properties. Classification of aggregates using Aggregate Impact Value is as given below: Aggregate Impact Value Classification <20%.= Exceptionally Strong 10 – 20% .=Strong 20-30%. =Satisfactory for road surfacing ...

(DOC) Aggregate crushing value Test Lab Report | Adnan ...

Assess suitability of coarse aggregates for use in different types of road. Theory: The " aggregate crushing value " give a relative measure of the resistance of ...

Discussion of experiment aggregate crushing value test ...

Aggregate crushing Value (percent)=w2/w1*100 26.43 Aggregate crushing value = W2/W1 * 100 = 771/2917 * 100 = 26.43% RECOMMENDED VALUES The suitability of aggregate is adjudged, depending on its proposed use inthe pavement layers. Specified limits of percent aggregate crushing value for different types of road construction s given bellow.

Determination of Aggregate Impact Value - Impact Test on ...

Aggregate Impact Value on Coarse Aggregates Apparatus for Aggregate Impact Test. The apparatus as per IS: 2386 (Part IV) – 1963 consists of: (i) A testing machine weighing 45 to 60 kg and having a metal base with a painted lower surface of not less than 30 cm in diameter.

Exp 4 Aggregate Impact Value - Civil Engineers PK

Aggregate Impact Values, (AIV's), below 10 are regarded as strong, and AIV's above 35 would normally be regarded as too weak for use in road surfaces. Aggregate Impact Values and Aggregate Crushing Values are often numerically very similar, and indicate similar aggregate strength properties. Aggregate Impact Value; Test Specifications:

Aggregate Crushing Value - Civil Engineering

AGGREGATE CRUSHING VALUE This test helps to determine the aggregate crushing value of coarse aggregates as per IS: 2386 (Part IV) – 1963. The apparatus used is Cylindrical measure and plunger, Compression testing machine, IS Sieves of sizes – 12.5mm, 10mm and 2.36mm. Procedure to determine Aggregate Crushing Value

A new practical method for determining the LA abrasion ...

Oct 01, 2017· Aggregate Impact Value: BSI BS 812-112 (1990c) Aggregate Crushing Value: AS 1141.21 (1997) BSI BS 812-110 (1990b) Micro-Deval Abrasion: AASHTO TP 58 (1999) ASTM D6928 (2010) AENOR UNE-EN 1097-1 (2011) Texas Ball Mill (Wet) AS1141.28 (2014) Country Roads Board, Victoria – Test Method 341 (National Association of Australian State Road ...

IS 2386-4 (1963): Methods of test for aggregates for ...

DETERMINATION OF AGGREGATE CRUSHING VALUE 2.1 Object - This method of test covers the procedure for determining aggregate crushing value of coarse aggregate. NOTE 1 -The 'aggregate crushing value' gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. With aggre-

Aggregate Crushing Value | sarat

Apr 10, 2012· Aggregates used in the construction, should be strong enough to resist crushing. If the aggregates are weak, the stability of the structure is likely to be adversely affected. The strength of coarse aggregates is assessed by aggregate crushing test. The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied compressive…

Abrasion Test on Aggregate (Los Angeles Test) - Civiconcepts

Abrasion Test is the measure of aggregate toughness and abrasion resistance such as crushing, degradation and disintegration. This test is suggested by AASHTO T 96 or ASTM C 131: Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in Los Angeles Machine.

How to Find Aggregate Crushing Value and Its Test Procedure?

Aggregate Crushing Value and Its Test Procedure: One of the test in which concrete material can fail is due to crushing under compressive stress. Aggregate crushing test is standardized by IS: 2386 part-IV and used to verify the crushing strength of aggregates. The aggregates should be oven dried, which can passes through 12.5mm and retained on ...

How to Find Aggregate Crushing Value and Its Test Procedure?

The aggregate crushing value provides a relative measure of the resistance of an aggregate to crushing under gradually applied crushing load. The aggregate crushing value test is a useful guide when dealing with aggregates of unknown performance, particularly when lower strength is suspected.

discussion of aggregate crushing value test in macedonia

The ' aggregate crushing value test gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Aggregate crushing value is defined as the percentage by weight of the crushed or finer material obtained when the test aggregates are subjected to a specified load under standardized conditions and the strength of the aggregate used in road ...

Discussion Of Aggregate Crushing Value Test

Discussion Of Aggregate Crushing Value Test; Aggregate Crushing Value Test -Determine Aggregate. Aggregate crushing value test on coarse aggregates gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load. Coarse aggregate crushing value is the percentage by weight of the crushed material ...

Aggregate Crushing Value Test - Significance & Test ...

Significance of Aggregate Crushing Value Test. The crushing value test is conducted on aggregates that are used for the construction of roads. Lower crushing value aggregates give much more durability for roads due to its lower crushed fraction under the compression load. The road is subjected to motion pressure continuously.

7 LAB TESTS ON AGGREGATE TO CHECK QUALITY FOR USE IN …

Sep 12, 2015· Crushing Test Fig-1 Crushing Test Setup. One of the model in which pavement material can fail is by crushing under compressive stress. A test is standardized by IS: 2386 part-IV and used to determine the crushing strength of aggregates. The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied ...

Crushing value apparatus (ACV), Aggregates testing ...

The aggregate crushing value (ACV) provides relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Two versions available: 150 (standard) and 75 mm dia. The apparatus comprehend cylinder, plunger, base plate, tamping rod and measure.

METHOD B1 THE DETERMINATION OF THE AGGREGATE …

The aggregate crushing value (ACV) of an aggregate is the mass of material, expressed as a percentage of the test sample. which is crushed finer than a 2,36 mm sieve when a sample of aggregate passing the 13,2 mm and retained on the 9,50 mm sieve is subjected to crushing under a gradually applied compressive load of 400 kN. 2 APPARATUS 2.1 An ...

Aggregate Crushing Value (ACV) Sets - Mechanical and ...

The Aggregate Crushing Value (ACV) Test Set provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Each set consists of steel cylinder, plunger, base plate, cylindrical measure and tamping rod. All parts of the apparatus are powder coated or galvanized steel, heat treated and ground ...

Impact and Crushing Value - PCTE

UTA-0630 and UTA-0640 Test Sets are also used for the Ten Percent Fines Value (TFV) of aggregates according to BS 812:111. The Aggregate Crushing Value (ACV) Set is supplied complete with: Cylinder, Base Plate, Plunger, Cylindrical Measure; Tamping Rod Technical Specifications

Aggregate impact and crushing test - SlideShare

Feb 08, 2012· Impact, 10% Fines & Crushing TestsFigure 2. Apparatus for the 10% fines test and aggregate crushing test (Millard, 1993) 2. The material used for both tests is aggregate passing a 12.70 mm sieve and retained on a 9.52 mm sieve.

aggregate crushing value test report discussion

Aggregate Crushing Value Test. Determination of aggregate crushing value545 Кб. 3. APPARATUS The apparatus of the aggregate crushing value test as per IS: 2386 (Part IV) 1963 consists of: 1) A 15cm diameter open ended steel cylinder with plunger and base plate, of the general form and dimensions as shown in Fig 1.get price

Discussion Of Aggregate Crushing Value

Discussion On Aggregate Crushing Value Discussion For . Aggregate Crushing Value Is2386part 41963. May 08 2013 objective for determination of the aggregate crushing value of coarse aggregate which passes 125 mm is sieve and retained on 10 mm is sieve reference standard is 2386 part iv1963 methods of test for aggregate for concrete part iv mechanical properties equipment …

Aggregate Crushing Value Test - Significance & Test ...

The impact value test has been conducted on aggregate to determine its bearing capacity against sudden impact. Here we are going to discuss the crushing value of aggregates. What is an aggregate crushing value? The resistance capacity of aggregate under gradually applied compression load is known as aggregate crushing value. The test that is ...

Discussion of experiment aggregate crushing value test ...

Find an answer to your question Discussion of experiment aggregate crushing value test

AGGREGATE CRUSHING VALUE

1.The ratio of the weight of fines formed to the total sample weight in each test shall be expressed as a percentage, the result being recorded to the first decimal place: Aggregate Crushing Value = (B/A) X 100 where A = weight of oven-dried sample B = weight in 'g' of fraction passing through 2.36 mm IS sieve. 6.Video Aggregate Crushing Value Test